/*
 * 面向属性的 CSS
 */

/* 布局方式 */
.wrap{
  width: 350px;
  margin: auto;
}
.bold{
  font-weight: bold;
}
.dib{
  display:inline-block;
}
.b_white{
  background: white
}
.c_w{
  color: white
}
.c_blue{
  color: #aad3f9;
}
.mt{
  margin-top: 30px;
}
.df { display: flex; }
.f1{
  flex: 1;
}
.fs15{
  font-size: 15px;
}
.fs40{
  font-size: 40px;
}
.fn{
  flex: none;
}
.red{
  background: red
}
.blue{
  background: blue;
}
.pink{
  background: pink;
}
.aaa{
  color: #aaa
}
.aic{
  align-items: center;
}
.jcc{
  justify-content: center;
}
.fdc{
  flex-direction: column;
}
.jcsb{
  justify-content: space-between;
}
.jcsa{
  justify-content:space-around
}
.jcse{
  justify-content: space-evenly;
}

.dpnone { display: none; }
.db{
  display: block;
}
.b_aaa{
  background: #aaa;
}
.c_dsb{
  color: deepskyblue
}
/* 盒模型 */
.mt0 { margin-top: 0; }
.mt8 { margin-top: 8px; }
.mt16 { margin-top: 16px; }
.mt20 { margin-top: 20px; }
.mt40 { margin-top: 40px; }

.mr16 { margin-right: 16px; } 

.mb16 { margin-bottom: 16px; }

.ml12 { margin-left: 12px; }

.pd16 { padding: 16px; }

.pl8 { padding-left: 8px; }

/* 字号 */
.fs12 { font-size: 12px; }
.fs18 { font-size: 18px; }
.fs14 { font-size: 14px; }
.fs20{font-size: 35px;}
.mg10_5{
  margin: 10px 5%;
}
.pd10_5{
  padding: 10px 5%;
}